Parallels (formerly Sw Soft), launched Plesk 8.4.0, though an official communication from the company is still awaited. Surprisingly, there is no mention of this release either on Parallerls website or forums. Good news for Pleask users is that Plesk 8.4.0 supports DomainKeys, long awaited anti spam solution promoted and used by Yahoo!. A small list of What’s New, showing from within the control panel, includes

Most of the times all anti spam measures fail to detect and filter all spam mails. For you, as an end-user, following are few guidelines which will help minimize incoming SPAM mails.